– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sun 28 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 28 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 28 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 14°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 6mm), mostly falling on Thu night. Warm (max 20°C on Sat morning, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||
Sun 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  | | | | | | |  | | | | |
light rain | rain shwrs | light rain | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.9 | 0.6 | 0.1 | 0.2 | 0.1 | 0.2 | 0.3 | 0.2 | 0.2 | 0.5 | 0.3 | 0.2 | 0.3 | 2 | 0.5 | 1.6 | 0.1 |
max °C | 13 | 13 | 12 | 14 | 14 | 12 | 14 | 14 | 11 | 13 | 12 | 13 | 14 | 12 | 12 | 16 | 15 |
min °C | 12 | 11 | 11 | 13 | 11 | 11 | 12 | 10 | 11 | 12 | 9 | 11 | 13 | 11 | 11 | 15 | 12 |
chill °C | 12 | 11 | 11 | 13 | 11 | 11 | 12 | 10 | 11 | 12 | 9 | 11 | 13 | 11 | 11 | 15 | 12 |
Freezing level m | 3050 | 3400 | 3650 | 3550 | 3200 | 3000 | 2850 | 2600 | 2500 | 2650 | 2650 | 2550 | 2600 | 2550 | 2600 | 3200 | 3750 |
Cloud base (m) | 600 | 850 | 600 | 600 | 1500 | 700 | 650 | 1650 | 750 | 750 | 1650 | 1650 | 1600 | 650 | 650 | 1600 | 6850 |
 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — |
 | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:13 | — | — | 9:13 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 14°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 6mm), mostly falling on Thu night. Warm (max 20°C on Sat morning, min 9°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.